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crossmem vs letta
crossmem logo
crossmem
★ 1
vs
letta logo
letta
★ 23.0k

crossmem vs letta

crossmem: crossmem provides cross-tool memory for AI coding agents. It injects remembered context before the AI starts thinking, eliminating the need to re-establish context across sessions. It supports Claude Code, GitHub Copilot, and Gemini CLI with zero cloud infrastructure.; letta: Letta is a powerful platform for building stateful AI agents equipped with advanced memory, enabling them to learn and self-improve over time. It provides both a command-line interface for local agent execution and a comprehensive API with Python and TypeScript SDKs for seamless integration into applications.

01

TL;DR

crossmem logoChoose crossmem if…

Remember coding patterns and solutions across different projects

letta logoChoose letta if…

Running AI agents locally in your terminal for coding and general tasks.

02

Side-by-Side Comparison

Field
crossmem logocrossmem
letta logoletta
Category
Memory & Context
Memory & Context
Stars
★ 1
★ 23.0k
License
MIT
Apache-2.0
Updated
3w ago
2w ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
ai-coding-assistant, ai-memory, claude-code
Stateful AI, Agent Platform, Advanced Memory
03

Features

crossmem logocrossmem
01Cross-tool memory for Claude Code, GitHub Copilot, and Gemini CLI
02Cross-project memory across all projects in one index
03Zero cloud infrastructure, no accounts needed
04Automatic context injection via hooks and instructions
05MCP-native protocol for real-time memory access
letta logoletta
01Build stateful AI agents with advanced memory
02Agents capable of learning and self-improvement over time
03CLI tool for running agents locally in your terminal
04Comprehensive API for integrating agents into applications
05Support for skills and subagents; fully model-agnostic
04

Use Cases

crossmem logocrossmem
↳Remember coding patterns and solutions across different projects
↳Avoid re-explaining codebase context to AI in every session
↳Centralize memory for multiple AI coding tools
letta logoletta
↳Running AI agents locally in your terminal for coding and general tasks.
↳Integrating stateful AI agents into custom applications using the API and SDKs.
↳Developing self-improving AI systems that adapt and learn continually.
05

Best For

crossmem logocrossmem
TrendingMemory & ContextLLM Infra
letta logoletta
Most PopularTrendingEssential
FAQ

FAQ

What is the difference between crossmem and letta?
Both crossmem and letta are in the Memory & Context category. crossmem has 1 stars, while letta has 23.0k stars.
Which is better, crossmem or letta?
The best choice depends on your use case. Choose crossmem if Remember coding patterns and solutions across different projects, and letta if Running AI agents locally in your terminal for coding and general tasks..
Is crossmem free or open source?
Yes, crossmem is open source on GitHub (MIT).
Is letta free or open source?
Yes, letta is open source on GitHub (Apache-2.0).
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Related

Alternatives to crossmem →Alternatives to letta →crossmem details →letta details →
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